<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .login-box{
            margin: 50px;
        }
        .login-box .title{
            font-weight: bold;
            line-height: 80px;
            text-align: center;
        }
        .login-box .block{
            margin: 30px 0;
        }
        .login-box .block input{
            height: 40px;
            padding-left: 20px;
            border: 1px solid #ccc;
            border-radius: 5px;
            width: 100%;
            outline: none;
            box-sizing: border-box;
        }
        
    </style>
</head>

<body>
    <div class="login-box">
        <div class="title">登录页</div>
        <div class="block">
            <input type="text" placeholder="输入用户名">
        </div>
        <div class="block">
            <input type="password" placeholder="输入密码">
        </div>
        <div class="block">
            <input type="button" value="登陆">
        </div>
    </div>
</body>
<script src="./promise.js"></script>
<script>
    //获取三个input输入框
    var inputs = document.querySelectorAll('input')
    //给button绑定事件
    inputs[2].onclick=function(){
        //对表单内容做校验（格式校验是否为空）
        if(inputs[0].value && inputs[1].value){
            if(/^\d{4}$/.test(inputs[1].value)){
                //通过校验，发起登录请求
                ajax('get','https://yantianfeng.com/api/login',
                {username:inputs[0].value,password:inputs[1].value}).then((data)=>{
                    console.log(data);
                    if(data.status==200){
                        console.log('登录成功');
                    }else{
                        console.log('登录失败');
                        
                    }
                })
                    // console.log(data);
                    
                
            }else{
                alert('请输入正确的手机号/密码')
            }
        }else{
            alert('用户名/密码不能为空')
        }
    }
</script>
</html>